10NL - 77 hits lower set on flop; 3 bets flop, but is raised

[bober2]

How should this be bet?

PokerStars No-Limit Hold'em, $0.10 BB (9 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($1.80)
Hero ($16)
UTG ($13.15)
UTG+1 ($12.45)
MP1 ($9.60)
MP2 ($6.15)
MP3 ($12.70)
CO ($8.30)
Button ($10.10)

Preflop: Hero is BB with 7[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">MP3 raises to $0.5</font>, <font color="#666666">3 folds</font>, Hero calls $0.40.

Flop: ($1.05) 9[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $0.85</font>, <font color="#CC3333">MP3 raises to $1.7</font>, <font color="#CC3333">Hero raises to $5.65</font>, <font color="#CC3333">MP3 raises to $12.2</font>, Hero calls $6.55.

Turn: ($25.45) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>

River: ($25.45) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $25.45