The Cowboys should be encouraged by their running backs production so far in training camp. If it wasn’t for their struggling kicking competition taking some attention away from the Cowboys wide receivers, they would be the hottest topic of training camp. As the Cowboys are trying to develop young players like T.J. Vasher, Dennis Houston, and KaVontae Turpin, they’ve also seen experienced players like CeeDee Lamb, Noah Brown, and Dalton Schultz make big plays. Doing this against Dan Quinn’s defense is no easy task, but questions will still remain when the Cowboys face live competition and defenses that can prepare…