Why don't you agree with your partner to lay low for an hour after the shot if he knows the shot was good and the deer is dead? I usually like to field dress pretty quickly, but it won't hurt too bad to let the deer lay for an hour, will it? Not all deer run away just because they hear a shot. A lot do, but some don't. By getting up from his stand/blind, and dragging the deer to you, he's cementing the fact that you're not going to get one.