Correct to open raise?

[wuarhg]

Party Poker 1/2 Hold'em (9 handed)

Preflop: Hero is MP3 with K/images/graemlins/heart.gif, 9/images/graemlins/heart.gif.
UTG folds, UTG+1 folds, MP1 folds, MP2 folds, <font color="CC3333">Hero raises</font>, CO folds, Button folds, SB folds, BB calls.

Flop: (4.50 SB) 4/images/graemlins/spade.gif, J/images/graemlins/diamond.gif, 4/images/graemlins/diamond.gif <font color="blue">(2 players)</font>
BB checks, <font color="CC3333">Hero bets</font>, BB folds.

Final Pot: 2.75 BB

[Webster]

Sure - I'd open raise!

[siccjay]

It's raise or fold and folding would be weak.