I might lean Ridley there. You have two top end receivers, and MJD isn't a guarantee to play again this season. I don't like depending on injured star players on miserable teams, they have a way of not playing. CJ Spiller has to contend with Fred Jackson. Ridley offers a few more points, and Luck has been playing well. The Bengals are playing Philadelphia the week the Colts face Houston.
Plus Andre Johnson is made of balsa wood and toilet paper.