what do you guys think about my cbet?

Full Tilt No-Limit Hold'em, $2.00 BB (9 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

MP1 ($95.35)
Hero (MP2) ($217.85)
MP3 ($262.05)
CO ($274.30)
Button ($406.60)
SB ($406.25)
BB ($210.95)
UTG ($212.30)
UTG+1 ($101.40)

Preflop: Hero is MP2 with 3, 3
3 folds, Hero bets $6, MP3 calls $6, 3 folds, BB calls $4

Flop: ($19) 4, 6, 6 (3 players)
BB checks, Hero bets $12, 1 fold, BB calls $12

Turn: ($43) 5 (2 players)
BB checks, Hero checks

River: ($43) 8 (2 players)
BB checks, Hero bets $28, BB calls $28

Total pot: $99 | Rake: $3