Bovada Zone

Folds to c/o who opens for $3, I call on button, blinds fold

Flop is Qs Qx As
c/o bet $4, i call

Turn is 2s
c/o bets $7.50, i call

River is 2h
c/o bets $17 in $27.50, i fold

Super standard, yes? I feel like this is an absurd easy bluff spot for him.