[Closed] 9ts three way pot

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.02/$0.05 No-Limit Hold'em (9 handed)

Known players:
[tg]BU$1.36:///////;SB$3.92:///////;BB$5.68:///////;UTG1$4.82:///////;UTG2$3.46:///////;MP1$4.11:///////;MP2 (Hero)$4.02:///////;MP3$2.17:///////;CO$9.77:///////;[/tg]

Preflop: Hero is MP2 with T:c, 9:c.
3 folds, Hero calls $0.05, MP3 folds, CO calls $0.05, 2 folds, BB checks.

Flop: ($0.17) 9:d, 7:h, 5:d (3 players)
BB bets $0.15, Hero calls $0.15, CO calls $0.15.

Turn: ($0.62) T:s (3 players)
BB bets $0.35, Hero calls $0.35, CO calls $0.35.

River: ($1.67) 6:d (3 players)
BB bets $1.10, Hero calls $1.10, CO raises to $3.32, BB folds, Hero folds, CO gets uncalled bet back.

Final Pot: $3.87.

I think I should have raised the turn to defend against the flush draw. Was the fold on the river good?