Yes. The drum mc will work. A disc mc holds more fluid because as the pads wear the caliper fills. No big deal just check your level once in a while. Also when you squeeze the calipers open to put in new pads have a turkey baster ready to suck some extra fluid out of the mc so it doesnt overflow.

Try cleaning the floor real good or put down cardboard to find a possible small dripping leak. You said it's not a new mc right? So it couldnt need to be bench bled first?