No.
That's not really a flop you want to be donk betting with 55 as it hits CO's opening range pretty well. BB isn't getting a lot of
hands to fold on that flop, so he either getting called and he'll have to check/fold a lot turn bets or he's getting 3bet and has to let it go. Maybe if BB is lucky, the donk bet gets him to a cheap showdown at the river, but it's unlikely.
Even if he knows CO is c-betting 100% of the time, BB doesn't need to spew chips in what's most likely going to be a donk bet/fold situation with his hand.