Looks like he's quite highly rated and in a position where we really needed numbers. I'd imagine he'll just be back up/competition for Baz initially but will see quite a lot of action over a 46 game season.
Welcome to Wolves, Ruben! After recent years, I haven't quite got used to the fact that we will be playing with proper full-backs this season, and with proper back-ups if either are injured (well, at left-back, anyway!).