Waiver Defense/Bench Question

I drafted the LAC defense, however, the Saints D is currently available on waiver.

My bench is currently:
Russell Wilson
Kerryon Johnson
Sony Michel
Rashaad Penny
James Conner
Geronimo Allison

Do I drop the LAC D (would love them week 2 vs the Bills) or do I drop someone like Michel and roster 2 D’s this week?