#1 waiver priority on Mike Williams?

Standard league. Wondering if I should use my #1 waiver priority on Williams? Or should I keep waiting for a serious RB injury?

My WRs: Jarvis Landry, Alshon Jeffery (IR), Sammy Watkins, Keelan Cole, Larry Fitzgerald, Tyler Lockett.

My RBs: Melvin Gordon, Christian Mccaffrey, Sony Michel, Latavius Murray (I’ll be dropping him)

TE: Trey Burton

QB: Aaron Rodgers