What would you do? #217 - 4 flush board holding Ace, with paired river

Full Tilt Poker $0.25/$0.50 No Limit Hold'em - 9 players
The DeucesCracked.com Hand History Converter

CO: $143.45
BTN: $50.75
SB: $50.85
Hero (BB): $77.45
UTG: $42.90 - 9/9 / inf AF / 33 hands
UTG+1: $50.00
UTG+2: $54.20
MP1: $51.90
MP2: $25.00

Pre Flop: ($0.75) Hero is BB with 7h Ah
UTG raises to $1.50, 3 folds, MP2 calls $1.50, 3 folds, Hero calls $1

Flop: ($4.75) Kh 2h 6c (3 players)
Hero checks, UTG bets $2.50, MP2 calls $2.50, Hero requests TIME, Hero calls $2.50

Turn: ($12.25) 8h (3 players)
Hero checks, UTG bets $3.50, MP2 raises to $7, Hero requests TIME, Hero calls $7, UTG calls $3.50

River: ($33.25) 6h (3 players)
Hero bets $7, UTG requests TIME, UTG raises to $31.90 all in, MP2 requests TIME, MP2 folds, Hero requests TIME, Hero folds

Is this player stacking off with Qh *EVER*? Particularly against 2 other player who are presumably drawing to the flush? Easy bet / fold.

Final Pot: $47.25
UTG wins $44.90
(Rake: $2.35)