50NL - I flop a full house

[homeslice]

I've been on this table for 6 or 7 orbits, I have a TAG image, and I perceive the villain to be a TAG as well. What would you after he leads the flop?

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP ($57.05)
CO ($47.25)
Button ($54.25)
SB ($51)
BB ($73.30)
Hero ($60.30)

Preflop: Hero is UTG with 5[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">Hero raises to $2</font>, <font color="#666666">4 folds</font>, BB calls $1.50.

Flop: ($4.25) 4[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $2.5</font>, Hero ???