Bad idea to slowplay a set of 7s on the bubble?

[pokerlaw]

This is a $5 on stars, regular (non-turbo).

The preflop raise might have been a little small. any suggestions?

PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (4 handed) converter

SB (t3185)
Hero (t2720)
UTG (t1450)
Button (t6145)

Preflop: Hero is BB with 7[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, SB completes, <font color="#CC3333">Hero raises to t300</font>, SB calls t200.

Flop: (t600) J[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

Turn: (t600) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets t600</font>, <font color="#CC3333">Hero raises to t1500</font>, <font color="#CC3333">SB raises to t2700</font>, Hero calls t920 (All-In).

River: (t5720) 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: t5720

Results in white below:

<font color="white">
BucFan14: shows [9s 8c] (a straight, Seven to Jack)
metfan630: shows [7s 7h] (three of a kind, Sevens)
BucFan14 collected 5440 from pot
sshifty said, "gg"
BucFan14 said, "gg"
metfan630 said, "gg"