Live tournament $200 buy in. Fairly small field of about 70 entrantes. We recently combined 3 tables to 2 and villain a guy in his mid-30s that I don't recognize is a new addition. I saw him play one significant hand where I folded button. SB limped. Villain raised. SB 3-bet Villain jammed and SB called. Villain had A6o and lost to AA in SB.  He also saw me open cutoff and fold to button 3-bet last orbit.

Blinds (800/1600/200) 8 handed. Villain has about 30K. I have 55K. I open hijack to 3500 with KJ. Villain 3-bets to 8500 on button. Blinds fold. I call.

Flop (20K) A86. I shove.

Q1 – Pre-flop decision seemed tough. My first instinct was to fold. I did not have much history with him except the BVB blow up, so I can't be confident he's 3-betting light. KJs is dominated by all of the hands he will 3-bet for value. If I call the pot will be 20 and he will have 22 behind so there's not really any room to maneuver. 

I considered 4-bet shoving. I have some blockers to his value range, but I don't think there's a high probabiltiy it will succeed and I'm dominated by most of his calling range.

The main argments for a call is pot odds and our limited history. He saw me raise / fold recently from late position so he could be assuming I'm only continuing with top 5% hands.I have to call 5K to get 16K. At that price I feel like I shouldn't be folding much, even if I give up on 75% of flops. At this stack depth I am feeling very clueless about how to respond to 3 bets in general when this shallow. Help!

On the flop: Now that I have the NFD I have too much equity to fold if he jams.

While there's a lot of aces in his 3-betting range, there are also a good number of combimations of pocket pairs that don't want to see an ace.

It seems like I have two options here.

Option 1 – Shove and hope to fold out some of his pairs

Option 2 – Check and 

2a Call if he jams

2b Shove if he bets less than all in

I don't think he bet / folds often and it seemed my fold equity would be highest If I shove first. Thoughts?