Buck or Kershaw are probably your best bets for U.S. made at that price point. I have a Buck Spitfire that was a gift from a student, and it is a nice knife for the money. The mini version below might be a good one for a kid. They are definitely something that could be engraved.
https://www.buckknives.com/product/mini-spitfire-knife/0726FAM01/
