PokerStars Pot-Limit Hold'em, $0.25 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($43.55)
MP ($26.50)
CO ($21)
Button ($34.85)
SB ($5.55)
BB ($34.20)

Preflop: Hero is UTG with Q, Q.
Hero raises to $0.75, 1 fold, CO calls $0.75, 3 folds.

Flop: ($1.85) 3, 4, T (2 players)
Hero bets $1.25, CO calls $1.25.

Turn: ($4.35) 9 (2 players)
Hero bets $2.25, CO calls $2.25.

River: ($8.85) 7 (2 players)
Hero bets $3.5, CO raises to $7, Hero?

This hand is kind of wierd, I slowed down on the turn to set up a cheaper showdown on the river. If he bets more on the river I might be inclined to try to catch a bluff, but the way it played I have to be beat, right?

I'm getting 6:1 but I'm almost certainly beat. Can we call this?