I'm more familiar with the JUCO world than D3, but what I've found is that often the very top JUCO hitters who move up to high level D1 often hit .400+ at the JUCO, especially in their Soph season. That said your kid is a Catcher, and Catchers have value.
As others have said, you need to have a trusted reputable Baseball expert assess his talent as to whether he can play at a higher level.