wtf does my opponent have? (deep sunday million hand with AQ)

[Evenkeal]

Seat 1: DR TOOTH (162987 in chips)
Seat 2: BKiCe (101840 in chips)
Seat 3: AlphaWice (304974 in chips)
Seat 4: eriholer (107014 in chips)
Seat 5: bugsyfslagle (79353 in chips)
Seat 6: Brian40_02 (118632 in chips)
Seat 7: jimak (310235 in chips)
Seat 8: Bayesian (157053 in chips)
Seat 9: Eich1000 (101916 in chips)
Everyone posts 300 ante.

Brian40_02: posts small blind 3000
jimak: posts big blind 6000
*** HOLE CARDS ***
Dealt to AlphaWice [As Qs]
Bayesian: folds
Eich1000: folds
DR TOOTH: folds
BKiCe: folds
AlphaWice: raises 10000 to 16000
eriholer: folds
bugsyfslagle: folds
Brian40_02: folds
jimak: calls 10000
*** FLOP *** [Qc Kd Jc]
jimak: checks
AlphaWice: checks, I checked behind here because I did not want to see a CR, I had been raising/cbetting alot previously, and my hand has showdown value
*** TURN *** [Qc Kd Jc] [5h]
jimak: bets 18000
AlphaWice: calls 18000
*** RIVER *** [Qc Kd Jc 5h] [8h]
jimak: bets 275935 and is all-in
AlphaWice is really confused about villian's holdings, and looked up that he is -44% roi in these donkaments over a decent sample.