Guy's a giant calling station. But lots of them are u bet i call, u check i bet, so thats why i x/c river to catch busted flushdraw or lower Ace.
Dealt to Hero A♦ 9♥
Hero raises to $2, CO calls $2, fold, fold, fold
FLOP ($5.50) 6♠ Q♦ 3♠
Hero bets $1, CO calls $1
TURN ($7.50) 6♠ Q♦ 3♠ 2♦
Hero bets $2, CO calls $2
RIVER ($11.50) 6♠ Q♦ 3♠ 2♦ 6♣
Hero checks, CO bets $2, Hero calls $2