Relining a chamber on one of the large-caliber cylinders is very tricky. It's possible, but you are likely to have difficulty finding a gunsmith who is willing to tackle the job.
The problem is that reaming out the bad chamber and then turning a suitable liner and rechambering it to fit leaves extremely thin chamber walls on both cylinder and liner. You are likely to cut thru into the cylinder stop notches. Not good. Plus, you need access to or have the ability to make the special sized piloted reamers and pilot bushings to do the job. It is almost certain that finding a replacement cylinder, though difficult and expensive, is more cost efficient.