flop top 2 pair on 3 flush board

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Villain is loose passive over 50 hands. How would you play this?

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

Hero ($10.20)
Button ($1.95)
SB ($12.20)
BB ($12.90)
UTG ($15.75)
MP ($16.45)

Preflop: Hero is CO with A, 7.
[color=#666666]2 folds</font>, [color=#CC3333]Hero raises to $0.3</font>, [color=#666666]2 folds</font>, BB calls $0.20.

Flop: ($0.65) A, T, 7 [color=#0000FF](2 players)</font>
BB checks, [color=#CC3333]Hero bets $0.5</font>, [color=#CC3333]BB raises to $2.15</font>, Hero calls $1.65.

Turn: ($4.95) 6 [color=#0000FF](2 players)</font>
[color=#CC3333]BB bets $4.95</font>, [color=#CC3333]Hero raises to $7.75 (All-In)</font>, BB calls $2.80.

River: ($0) K [color=#0000FF](2 players, 1 all-in)</font>

Final Pot: $20.45