Not much here in MT for dedicated TDI specialists. VDubs and More in Helena is good with TDIs but a long ways from you. Lots of diesel truck places in Billings but most of them don't know their way around a VW nor have the tools or software.
Metric Wrench in downtown Billings always has various VAG cars around its lot but it seems to be mostly older stuff, not sure how many newer models I have seen there. Have never worked with them so can't speak firsthand but you could at least give them a call.
Lots of TDIs on the road in MT as they are a perfect tool for long distance runs here, so someone ought to be familiar enough with them.
I'm over in Livingston / Helena part time so not too far away, if you had an older model car and wanted a hand or some tools/VCDS I'd offer to at least try to help, but I don't know squat about the new gen CR models. Comfortable with PDs and older but I wouldn't be any help on yours.