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@KenV Im so sorry you’re experiencing problems with your pinky. I agree with @Carol-3M-Stillhand that you have your health, and that’s the most important thing. I also recommend seeing a neurologist, if you haven’t already, and I concur that some physical therapy might help some with that. COVID has affected so many people in different ways with lingering post illness symptoms that haven’t been addressed.
There are many people with varying levels of disabilities that are able to adapt and play the guitar. Some are missing fingers, have MS, Parkinson’s, Multiple Sclerosis,etc., but they’ve overcome their limitations through adaptions.
I like Carols suggestion of a classical instrument, because it would be kinder due to the wider nut and easier fretting. That would probably compensate a little for the mis-frets on a steel string. Maybe you could rent one to try out. Most music stores rent guitars.