I think he's very much going to be in a Caleb Lohner type situation at Kentucky. At BYU, he'd be the cornerstone of the team. Coach Young would build entire schemes around him... At Kentucky, he's a rotational role player at best.
If Chandler is the top of the mountain, blue chip recruit for coach Pope, then he's gone in 3 years. You don't win championships with Collin Chandler as your centerpiece.