I'm not...good.

[Rduke55]

Absolute $5 rebuy. 180ish started, down to 5.
Big stack is 173K, shortie is 55K or so, blinds just went up to 4K/8K with an ante I can't remember. I have 88K or so.
Most pots up until the 3K/6K level have been raised PF. (we started the FT at 500/1000).
After the 3/6 level I started seeing the occasional limped pot. And some miniraising but still mostly open raising.
I'm in the SB w/ QhJh.
folded to the button (~T105K) who limps (weird). I complete (1st mistake?) and BB checks.
Flop is 9h7h4s.
I check (2nd mistake?), BB checks, button bets 16K.
I think about pushing but figure if he's just trying to take down the pot a call may scare him. So I call (3rd mistake?). BB folds.
Turn is 2d. I check (4th mistake?) and Button pushes for 80K.
I fold (5th mistake?).

Comments on all streets appreciated.