Semi-bluff on paired board

[PerDoom]

Poker Stars - Pot Limit Omaha Cash Game - $1/$2 Blinds - 5 Players - (LegoPoker HH Converter)

SB: $200.00
BB: $345.60
UTG: $328.70
<font color="black">Hero (CO): $200.00</font>
BTN: $129.35

<font color="black">Preflop:</font> Hero is dealt 7[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/spade.gif[/img] (5 Players)
UTG folds, <font color="red">Hero raises to $7.00</font>, 2 folds, BB calls $5.00

<font color="black">Flop:</font> ($15) 3[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, <font color="red">Hero bets $10.00</font>, <font color="red">BB raises to $28.00</font>, <font color="red">Hero raises to $70.00</font>, BB folds

Pot Size: $113.00 ($2 Rake)


Villain is unknown so no stats or reads on him.

With how passive these games usually are, I'm planning on folding to a shove. Good/bad?