did they ever say what happened to him or did he pull a Chuck Cunningham?

Sadly, they did pull a Chuck Cunningham as Kinchloe (Ivan Dixon) disappeared without any explanation at the end of Season 5.

you mean season 5.

He supposedly had a 5 year contract, and exercised his option to not renew.

you mean season 5.

Grammar Nazi? ;) Then why isn't your user name capitalized, since you are so perfect?

BTW, you're welcome for the answer.

Doubt I'll bother spending much time here. Not worth playing games like this. So thanks for the early warning.