Early in MTT, blinds 30/60, I'm shortstacked with 810 chips.

A 6 on BB

CO limps, SB completes, I check.

Flop: 4 9 6

SB checks, I bet 100 to see where I am. CO folds, SB calls.

Turn: 4 9 6 A

SB checks to me. I ...?

Pot: 380. My stack remaining: 650.

Check through and see a bet on the river, with a draw heavy board?

Make a small bet (around 100), and fold to a big raise?

Make a pot sized bet (around 300), and risk getting pushed all in and having to call?

I chose door number 3 when I played this.

Bet around 200, fold to a raise. That leaves you with a little chips left.

I like this idea as well. Your two pair could very well be good with only one opponent.

Use your best judgement on the river, but checking behind is probably the best unless you fill up, because a trap is certainly possible

what are you suppose to do when he bets half your stack on the river?

Probably fold, but it's more of a judgement/gutcheck time.

With all the draws out there, we're probably in bad shape.

yea but if the origial bettor checks behind me on the turn, I will bet half his stack on the river a lot of times, in this case I would bet small on the turn.