Raise the flop?

[aflaba]

The guy who bets out is a full time player with 24/10, 1.4 in stats.
The other guy is a LAG with something like 60/20, 1.5 in stats.

Party Poker 10/20 Hold'em <font color="#0000FF">(6 handed)</font> link

Preflop: Hero is Button with A[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 folds</font>, MP calls, CO calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 folds</font>, BB calls, MP calls, CO calls.

Flop: (8.50 SB) T[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">BB bets</font>, MP calls, CO folds, Hero calls.




It feels like I should have raised the flop. At the time of play I wasn't sure. And unfortunatly I'm still not. Why should I raise the flop? It would be very nice with a really good explaination that I can print, frame and then put on my wall.