$55: I make a Hellmuthian laydown, and can't believe I do it

[downtown]

I never lay down hands like this, but I did here. My read was only that I had played with both of these players before a few times, and they didn't get out of line. So I folded.

PartyPoker, Big Blind is t15 (10 handed) Converter on pregopoker.com

UTG (t1030)
UTG+1 (t600)
MP1 (t1220)
MP2 (t1000)
MP3 (t925)
CO+1 (t680)
CO (t975)
Button (t1215)
SB (t1355)
Hero (t1000)

Preflop: Hero is in BB with 4[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/spade.gif[/img]
<font color="gray">UTG folds</font>, UTG+1 calls t15, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, CO+1 calls t15, CO calls t15, <font color="gray">Button folds</font>, SB calls t5, Hero checks

Flop: (t75) 4[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] (5 players)
SB checks, <font color="red">Hero bets t75</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">CO+1 folds</font>, CO calls t75, SB calls t75

Turn: (t300) 4[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (3 players)
SB checks, <font color="red">Hero bets t300</font>, <font color="red">CO raises t600</font>, <font color="red">SB raises t1200</font>, <font color="gray">Hero folds</font>