This felt dirty at the time, but now seems fine.

Villain is 16/14 over 45 hands and seems very straightforward and in line.

This is flushes, boats and AQ a huge amount, amirite?

No-Limit Hold'em, $0.25 BB (6 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

BB ($33.35)
UTG ($9.95)
MP ($25.35)
Hero (CO) ($31.85)
Button ($24.90)
SB ($25)

Preflop: Hero is CO with K, Q
2 folds, Hero bets $0.85, 2 folds, BB calls $0.60

Flop: ($1.80) 9, 4, Q (2 players)
BB checks, Hero bets $1.25, BB calls $1.25

Turn: ($4.30) Q (2 players)
BB checks, Hero bets $3.35, BB calls $3.35

River: ($11) 7 (2 players)
BB bets $8, Hero folds

Total pot: $11

Looks good

Very reasonable fold. He's pretty much only betting flushes and sets here.