Others more knowledgeable than me may tell you otherwise, but here's my suggestion:

Take a new timing chain with you, and maybe even a new set of sprockets and tensioner. Re-time the engine, and double check the sprocket and chain are all lined up properly. Look at the tensioner as well. Now turn the engine over BY HAND, and look for any valves that go down and don't come back up, or come back up sluggishly. This would indicate a valve in a bind (bent). Listen for clunking sounds as you turn it over. Also make sure the tensioner seems to be working right.

Adjust the valves with the engine cold, then do a compression check and look for a piston that reads differently than the others.

If everything looks cool, I would drive it, but that's just me. That's what I did when I broke a timing chain about 6 years ago. Mine has been running ever since with no problems.