Idk who to keep

In my dynasty league, we keep 25/35 of our roster (excluding 5 reserve spots). I need to figure out who to keep out of:

  1. Ryan Tannehill
  2. Gardner Minshew
  3. Malcolm Brown

My starting QB is Mahomes. One of the players I’m keeping is Darrell Henderson. I wasn’t sure if I should now keep Malcolm Brown since Gurley got cut and now there’s a big load to share.

I know there’s still a lot of time and the Rams could still acquire another RB via draft, trade, or FA, but I just wanted to ask.

Is it worth keeping Brown over Tannehill and Minshew? It’s a 1 QB league.