Having CC as your only predator in your pond, remember to minimize their ability to reproduce--they are cavity nesters.
HBG are quick growers and do well in small ponds with no other bluegill, adding RE will give you more food for the catfish.
CC 100
HBG 150 (200)
RE 50 (0)
FHM 2-4lbs
In ponds were its LMB, your ratio of LMG:HBG is 1:15 per acre. Considering your feeding also, your watch how big the HBG & CC. CC can attain 1lb by fall when feed regularly.
Keep catch records of the fish, the fish will tell you how they are doing.
