Build bed rails for your toddler so that he feels more secure and less like he's going to fall out of the bed. Make sure you choose the right wood (non-toxic) and that the finish is not toxic. Shellac is an excellent choice commonly applied to child furniture.
I think he likes the security of the crib because he tosses and turns so bad and is all over the place. I was thinking about getting some bed rails for the toddler bed just to use til he gets used to it and then take them down.�