what does this raise mean to you ?

[trippin bily]

I didnt fold.
Pushed him all in.
He showed me 2 7s for the set.
Would a bigger preflop raise been a better way to start this hand? PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (9 handed) FTR converter on zerodivide.cx

saw flop|<font color="#C00000">saw showdown</font>

UTG+1 (t2262)
MP1 (t1680)
MP2 (t10688)
<font color="#C00000">Hero (t5010)</font>
CO (t6830)
Button (t1267)
<font color="#C00000">SB :#A500AF(villian)/ (t3075)</font>
BB (t780)
UTG (t795)

Preflop: Hero is MP3 with J[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls t100, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t300</font>, <font color="#666666">2 folds</font>, SB :#A500AF(villian)/ calls t250, <font color="#666666">1 fold</font>, UTG+1 calls t200.

Flop: (t1000) 7[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
villian checks, UTG+1 checks, <font color="#CC3333">Hero bets t1200</font>, <font color="#CC3333">villian raises to t2400</font>, UTG+1 folds, <font color="#CC3333">Hero raises to t3700</font>, villian calls t375 (All-In).

Turn: (t7475) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

River: (t7475) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: t7475