Bodyweight stuff is good for active recovery. The goal of active recovery is to increase the bloodflow to your muscles without increasing fatigure. To do this, you want to try to minimize the eccentric portions of the lift as much as possible, as this is where he most muscle breakdown occurs. Sled dragging is a great active recovery method, providing you make sure to keep the weight down. The key here is to keep everything light, you should feel better coming out of the session then you did going into it.