I know how very
you can get when you see them gobble up their food so fast... I've been struggling with this too!
I switched Biscuit to a higher quality food and it has curbed his appetite. I also make him sit down before any meals or treats. It seems to be working (slowly but surely).
I agree with what others have said: Don't hand feed. My mother did that for a while and it took Biscuit some time before he started to eat from his bowl again.
Good luck!