Some oil is normal around the turbo as the CCV vents into the intake of the turbo (see elephant hose mod or provent). Even with the CCV rerouted some oil is normal to get that slips past the turbo seals.
That said its hard to day how much oil is normal for you. What makes you think the turbo is bad?
If you remove the inlet air accordion tube you can see and feel the compressor wheel, if there is massive slop side to side, or chewed up metal, then its a bad turbo, if there is just a little side to side play, then its likely normal.
I bought a CRD a couple of years ago with a failed turbo, massive amounts of oil dumped into the exhaust making a huge smoke cloud when it got even a little warm(cat heating up). I think the shop also quoted 7K to repair, which included other items like a new exhaust manifold and intercooler, which I feel are unnecessary.
I bought this turbo for the jeep:
https://www.amazon.com/gp/product/B00K0 ... UTF8&psc=1And installed it myself, overall I think it would be able 2-3-4 hours of work depending on your skill level. For me the worst part of it was the oil that entered the exhuast, it makes a MASSIVE thick cloud before it finishes burning off. I even removed the exhaust and let it drain out and rinsed it with gas, and got more out, but still made a huge cloud of smoke, I waiting untill nighttime and headed right for the country road with a totally cool engine, and kept the engine shutoff at lights, so I could keep it cool untill I was out of town.
Depending on how it blew out you might need to pull the intercooler to drain it of oil.
There are other turbo options, someone around here is offering a rebuilt upgraded turbo, and Sasquatch offers a new upgraded turbo as well, both are cost effective compared to OEM.
for what its worth I would likely skip the Stigan, its cost effective, and the quality seems fine overall, however I had an issue with the vacuum actuator sticking on it, and I think some others had issue with the adjustment of the vacuum actuator on it.
_________________
http://www.Colorado4Wheel.com
"Its not about what you can
DO with your Jeep, its about where you can
GO with your Jeep."
Knowledgeable - But Caustic