i don't like my line at all. help me out. as played, what do i do on river?

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($20.65)
BB ($10.40)
Hero ($8.25)
MP ($20.15)
CO ($8.95)
Button ($2.25)

Preflop: Hero is UTG with Q, Q.
Hero raises to $0.4, 2 folds, Button calls $0.40, 2 folds.

Flop: ($0.95) 9, T, A (2 players)
Hero bets $0.6, Button calls $0.60.

Turn: ($2.15) 6 (2 players)
Hero bets $0.8, Button calls $0.80.

River: ($3.75) K (2 players)

Final Pot: $3.75