If I just call the flop bet where can I fold this (300+20PS)

[redsoxsox]

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (7 handed) converter

Button (t2500)
SB (t2500)
Hero (t2500)
UTG (t2500)
MP1 (t2500)
MP2 (t2500)
CO (t2500)

Preflop: Hero is BB with 5[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/spade.gif[/img].
<font color="#666666">5 folds</font>, SB completes, Hero checks.

Flop: (t40) 7[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets t40</font>, <font color="#CC3333">SB raises to t140</font>, <font color="#CC3333">Hero raises to t300</font>, <font color="#CC3333">SB raises to t2480</font>, Hero calls t2180 (All-In).

Turn: (t5000) 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

River: (t5000) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: t5000

I got to attached to this hand, I could have folded to the all in reraise, but I didnt any suggestions for this hand, and yes this is the first hand of the tourny. Can I fold this?