Call or fold?

[Sent]

Paradise Poker 0.50/1 Hold'em (9 handed)

Preflop: Hero is Button with A/images/graemlins/club.gif, 3/images/graemlins/club.gif.
UTG folds, UTG+1 folds, MP1 folds, MP2 calls, MP3 calls, CO folds, Hero calls, SB completes, BB checks.

Flop: (5 SB) 4/images/graemlins/spade.gif, K/images/graemlins/diamond.gif, K/images/graemlins/heart.gif <font color="blue">(5 players)</font>
SB checks, BB checks, MP2 checks, MP3 checks, Hero checks.

Turn: (2.50 BB) 4/images/graemlins/club.gif <font color="blue">(5 players)</font>
SB checks, BB checks, MP2 checks, MP3 checks, Hero bets, SB folds, BB folds, MP2 folds, MP3 calls.

River: (4.50 BB) 2/images/graemlins/club.gif <font color="blue">(2 players)</font>
MP3 bets, Hero folds.

Final Pot: 5.50 BB

Clear fold right? No read on the guy.

-Sent