Stars $16 Garbage in the BB bubble play

[jwesty5]

PokerStars No-Limit Hold'em Tourney, Big Blind is t400 (4 handed) FTR converter on zerodivide.cx

Button (t4395)
SB (t3235)
Hero (t1565)
UTG (t4305)

Preflop: Hero is BB with 2[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/spade.gif[/img].
2 folds</font>, SB completes, Hero checks.

Flop: (t675) 2[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/spade.gif[/img] (2 players)</font>
SB bets t800</font>, Hero raises to t1140</font>, SB calls t340.

Turn: (t2955) 5[img]/images/graemlins/heart.gif[/img] (2 players)</font>

River: (t2955) 8[img]/images/graemlins/club.gif[/img] (2 players)</font>

Final Pot: t2955

When I hit bottom pair on the flop and he bets should I fold?

If he checks should I push?

Should I just push preflop?

This one worked out for me but I'm confused as to what the correct line is here.