$ 3.4 at pokerstars - on the bubble - 86o totally dumb?

[chr1s82p]

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (4 handed) Hand History converter Courtesy of PokerZion.com

Button (t435)
SB (t11930)
Hero (t1570)
UTG (t1065)

Preflop: Hero is BB with 6[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Button raises to t410</font>, SB calls t310, Hero calls t210.

Flop: (t1005) 7[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets t1135 (All-In)</font>, SB calls t1135.

Turn: (t3275) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players, 1 all-in)</font>

River: (t3275) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players, 1 all-in)</font>

Final Pot: t3275

the ante was 25. i don't know why it is not shown after converting.

is this play okay or totally dumb? i'm a newbie