Mid Pair vs Flop Aggression.

[ESKiMO-SiCKNE5S]

.5/1NL on pokerstars. My image is nitty TAG.

UTG is a shortstacked fish with about $20 in front of him.
BB appears to be a somewhat thinking TAG over a small sample(this read changed later).

Me and BB have effective stacks of ~100

I have J[img]/images/graemlins/club.gif[/img]J[img]/images/graemlins/spade.gif[/img] in SB.

UTG limps, I raise to $5, BB calls, UTG calls.

Flop: 4[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/diamond.gif[/img]

I bet $11, UTG raises to $23, I ??