I think he will for sure, but it's probably not game-ready yet.
It appears to me he's getting very good coaching, and following it. He appears to be taking time to get the very basics of the game down professionally, and not skipping any steps. You can see him focusing on doing the little things, and not getting ahead of himself. Defensive rotation, not over-committing on D, working an effective pick and roll, no unnecessary fouls. On offense, he's taking a few risks, but it's usually all within 10 feet at this point, which is perfect. It's important for two reasons: 1. you build out your game the right way, and 2. building confidence.
Remember how Cuz's game developed, remember there were times he got out ahead of his skis, then pulled back and worked on the building blocks of his game. Now, he's a great defender, incredibly creative and versatile on offense... but he got there one step at a time. Cuz was not doing dribble drives for his first two years. That was year three. Year four was defense and mid range game. Year 5 was three pt shot. Year 6 is nearly elite three pt shooter, and putting whole package together and playing the mental game. He will be a legit MVP candidate this year (Westbrook probably takes it), but next year Cuz has a real shot.
Willie played a very limited game at Kentucky. But he has shades of Cousins in that he's showing signs of being able to be a fully rounded offensive and defensive player. There's only one Cousins. But there are similarities in how I see them developing.
I fully expect Trill to have an excellent mid range game, maybe even some handles, by year 4.