WTF on river?

Posted 8 years, 9 months ago

Blinds: $0.05/$0.10 (6 Players) BN: $8.95
SB: $10.00 (Hero)
BB: $10.27
UTG: $16.75
MP: $15.52
CO: $17.03

Preflop ($0.15) Hero is SB with A Q

UTG raises to $0.30, MP folds, CO calls $0.30, BN folds, Hero calls $0.25, BB folds

Flop ($1.00) 8 A 3

Hero checks, UTG checks, CO checks

Turn ($1.00) 8 A 3 4

Hero bets $0.60, UTG folds, CO calls $0.60

River ($2.20) 8 A 3 4 3

Hero bets $1.47, CO raises to $2.94

I think i have a value bet OTR but, what is he raising there.. i have the blockers of diamonds. but......