So I finally went to a luthier. I spent an hour or so there and came out with an over-the-tailpiece chinrest and a little gel pad over it.
I’m trying this out for awhile now and see if this fixes everything. I’ve also made adjustments to how I play and am working on loosening my left hand grip.
I still have pain and numbness but I’m hoping it’s just because I haven’t healed yet and not because I’m still doing things incorrectly. 🙂