How would you play these pocket Jacks?

[BoxLiquid]

Party Poker 2/4 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is Button with J[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img]. UTG+1 posts a blind of $2. MP3 posts a blind of $2.
<font color="#CC3333">UTG raises</font>, <font color="#CC3333">UTG+1 (poster) 3-bets</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">MP1 caps</font>, <font color="#666666">1 fold</font>, MP3 (poster) calls, <font color="#666666">1 fold</font>, Hero calls, <font color="#666666">1 fold</font>, BB calls, UTG calls, UTG+1 calls.

Flop: (24.50 SB) T[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(6 players)</font>
BB checks, <font color="#CC3333">UTG bets</font>, <font color="#CC3333">UTG+1 raises</font>, MP1 calls, MP3 folds, <font color="#CC3333">Hero 3-bets</font>, BB folds, <font color="#CC3333">UTG caps</font>, UTG+1 calls, MP1 calls $3 (All-In), Hero calls.

Turn: (20 BB) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players, 1 all-in)</font>
<font color="#CC3333">UTG bets</font>, UTG+1 calls $8 (All-In), Hero calls, UTG calls.

River: (26 BB) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players, 2 all-in)</font>
<font color="#CC3333">UTG bets</font>, Hero calls.

Final Pot: 28 BB


Save that last bet on the river and fold this HUMONGOUS pot?
Would anyone ever considering folding their Jacks to a 4 bet pre-flop? Comments.