My advice would be to replace the AC Compressor yourself. The sooner the better.

It would be like taking vicodin for a toothache, it will alleviate the problem, but the toothache is still there and you may end up with another problem while you're at it.

Might as well replace the serpentine belt while you're there if you haven't done it lately.

Service prices everywhere are rediculous, and typically with these you are paying to train the technician because Chrylser never did.

The short term solution is to fix it, the long term solution is where you get more problems because you didn't.

Before assuming the cause is related to you AC compressor pulley I'd strongly recommend you a) inspect the alternator pulley for red dust and b) at idle with AC compressor pulley engaged look down the serp belt to the serp belt tensioner. If the tensioner is "dancing" as opposed to barely twitching your problem is a bad alternator pulley which gets worse if the AC clutch is engaged. There has been at least one forum member who thought he had an AC problem but found out it was an alternator clutch problem. The alternator clutch (not solid and not reactive) can be found for around $80 (maybe less on eBay but be sure you are getting Mopar/Litens/Nippondenso not a knockoff) but can be a problem to replace. A lifetime warranty alternator can, in the US, be obtained from like Autozone for on the order of $150 and is an easy DIY replacement although getting to the tensioner is a bit tricky with the fan in place but it can be done.

Otherwise:
1. easiest - a) turn dash AC switch off and b) set vent "mode" control to Off, Panel or Bi-level. Do not set to Recirculate, Floor, Mix or Defrost as the AC will run some in these modes even if the switch is off.
2. harder and permanent - viewtopic.php?f=5&t=6042&p=180099&hilit=+switch#p180099 or Kaps switched option at viewtopic.php?f=5&t=52364&p=585766&hilit=+switch#p585766 . I see some of Kaps pictures are missing but if you want to try this option send me an email, not a PM, and I'll provide a copy I downloaded some time ago.

If it is the A/C pulley making the noise, you may be able to replace the pulley/clutch assembly
separate from the compressor. That will save you some money.

I thought they had to go as one unit? If I can do the clutch assembly separate that'll be the best for me.

I've done it on other vehicles but haven't had any A/C problems with my CRD.

I took a quick look at the 06 FSM and it appears the AC compressor clutch can be serviced separately from the compressor without discharging the system (FSM says so) and there are a couple of special tools listed (don't know how critical they are) and parts are listed in the 06 Parts fiche in Figure 24-430. Probably the same for the 05.

However I do not off hand see a how to although I imagine a decent AC shop could handle it