Awww...sorry to hear that sad news.
we recently went through the cost vs. health problem with one of our dogs. She was having severe neck pain, yelping at night and during the day when she tried to stand up. The MRI alone would be $1000 and the surger would be another $2000 if needed. we decided to investigate a more holistic approach. In the end, it worked out, but it was a hard decision. You'll make the right decision, so hurt yourself too much in the process.
Sending thoughts your way.
Jenn