Was I too aggressive here?

[Sandwich]

Was I too aggressive here?

Party Poker 1/2 Hold'em (10 handed)

Preflop: Hero is MP2 with J[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/club.gif[/img].
UTG calls, UTG+1 calls, UTG+2 folds, MP1 calls, Hero raises, MP3 calls, CO folds, Button folds, SB calls, BB calls, UTG calls, UTG+1 calls, MP1 calls.

Flop: (13 SB) T[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/diamond.gif[/img] <font color="blue">(7 players)</font>
SB checks, BB bets, UTG folds, UTG+1 folds, MP1 calls, Hero calls, MP3 raises, SB folds, BB calls, MP1 calls, Hero calls.

Turn: (10.50 BB) J[img]/images/graemlins/heart.gif[/img] <font color="blue">(4 players)</font>
BB checks, MP1 checks, Hero bets, MP3 calls, BB calls, MP1 calls.

River: (14.50 BB) J[img]/images/graemlins/spade.gif[/img] <font color="blue">(4 players)</font>
BB checks, MP1 checks, Hero bets, MP3 calls, BB calls, MP1 folds.

Final Pot: 17.50 BB


Here is what my opponents had: (in white)
<font color="white">
BB had 5d, Td
MP3 had KK
Both were extremely pissed at my play.
Did I play this wrong? </font>