reverse implied odds on flop

[yourface]

button is LP
SB is a very bad LAG

Poker Room skin
Pot Limit Holdem Ring game
Blinds: $5/$10
4 players
Converter

Pre-flop: (4 players) yourface is BB with 4[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/diamond.gif[/img]
UTG folds, Button calls, <font color="#cc0000">SB raises to $7.5</font>, yourface calls $5 <font color="aaaaaa">(pot was $15)</font>, <font color="#cc0000">Button raises to $15</font>, SB calls, yourface calls $5 <font color="aaaaaa">(pot was $30)</font>.

Flop: J[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/diamond.gif[/img] ($45, 3 players)
<font color="#cc0000">SB bets $5</font>, yourface folds

good/bad?