I had the same situation--an esophageal dilatation I believe it is called. Mine lasted for two years and then I needed another one. After my second dilatation, I developed severe GERD. I think what happened was the esophagus was so tight that it held all the acid and "crap" down in my stomach, but when they opened that valve up, everything started moving back up.
I've had an intense fear of choking and have lost 30 pounds. This GERD has slowly gotten better. I take Protonix and Pepcid and I drink vinegar and honey to help with it.
It's not unusual to experience fluttering or clicking or spasms in your esophagus. You can get all kinds of action down there. If you read on this board, you'll see it all.
I hope you don't have to have your esophagus dilated again, but don't be shocked if you do. Somewhere down the road, you may start to get food stuck again. If you do, just go in and have the procedure done again. No big deal. As my doctor said, don't wait too long or you'll wind up in the ER with something really stuck in there. He said he hates doing those at 3 am when someone is in a panic. And as you know, it's easy to panic when stuff is stuck. Good luck and welcome to the board.