Reads on villian: Good reg, pretty aggro, 26% 3 bet.
We had been been clashing a fair bit, 3 betting and 4 betting a decent amount when play was 3 handed. Had been playing hu for only about 10 or so hands. He probably views me as a very aggro reg, as I 4 bet shoved with a8 only to walk into his 88 and bink an ace lol.....and I earlier 5 bet shoved a double gutter into his overpair (yes, very spewy.....

).
I'm guessing its probably a fold as played but I am pretty certain that he is more than capable of doing this with hands like qk, jk and a whole bunch of other connectors with decent equity given my image and the dynamic of the match.
With a hand that is pretty strong but not THAT strong would you guys prefer to 4 bet jam in this spot with the ace blocker and how often he is 3 betting us ultra light here?
Poker Stars, $4 Buy-in (5,000/10,000 blinds, 1,250 ante) No Limit Hold'em Tournament, 2 Players
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#12543202
Hero (SB): 480,873 (48.1 bb)
BB: 1,490,127 (149 bb)
Preflop: Hero is SB with A

9
Hero raises to 20,500,
BB raises to 61,249,
Hero raises to 122,249,
BB raises to 1,490,127 and is all in
Hero: ???