This is what I see.
Ronald is fluid in his hips and shows really good break on the ball. He has nice recovery speed, and is extremely physical. He also shows really good corner instincts in his pre snap movement, and looks extremely comfortable playing safety. This is all by a player who is 5'11-6ft and 170 lbs.
So with that said, Ronald possesses a natural ability that Coach Fish doesn't have to teach. He is clearly a "dog" and likes to stick his nose in; which Fish loves. He will benefit tremendously from S&C considering that he probably doesn't lift a lot. His two star ranking is a reflection on the lack of work rivals did. Lastly, if you're going to "reach", you do it in Miami. Three star corners with Ronald's ability are 4 star players in many other parts of the country.
Ronald fits the profile of what this team needs. A player who has seen the best competition and wants to strike you. He and someone like Quinton Newsome don't give a sh*t about who you are because their best friend or teammate was a 5 star. They strap it up and compete because it is all they know.
Damn now I am fired up.