The challenge with Dallas is that he is a much better RB. (Better is relative but he will give you reasonably positive yards and seems to have better vision than Homer).
But....
You get those extra yards at the possible expense of extra hits on your QB.
I have been very vocal in not wanting Homer to run. Or at least rarely, on drives we know we are probably OK punting.
(Or alternatively, maybe when we have a 2nd and 1, because we know we have one more down to get that yard with someone else.)
But I haven't seen any RBs that actively effective or even aggressive in protecting the QB. And it might be worth it to keep him back there because we really need Wilson not to get hits on him.
If Dallas was a threat to break it for 20 like Penny could occasionally? Maybe. But a 3-5 yard gain is not worth the extra sacks on Wilson or even hits on him where he still makes it to the LOS.
As much as I don't want Homer running, I don't know I want to trade better runs for less pass protection unless it is Carson back there.