Hi Jessica,
Since I have no idea of the context of the picture, discount my comments to taste! It depends whether or not this is a 3 second grabshot or whether perhaps it's purpose-driven and a portrait needed by a client for example. In any case, the boy is really fine and a great subject. Reminds me of one of my kids!
I think the lad is so confident and has a sense of humor about picture-taking. I felt that more light is needed on his face and that the background is too harsh. Also the face and eyes I sharpenned too, but not the hair as it easily degrades.
The light is rather flat on the face. This would be a case for using a reflector, turning him a little more towards a window or else using two light sources, one in front and one to the side. The right arm is already blown out so one has to be careful.
Not that he could be cuter!
Thanks for sharing,
Asher