Fold here?

[cashstrapped]

villain is 17.9/14.9/12 over 134 hands and seems solid

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($60.20)
UTG ($45.40)
Hero ($52.50)
CO ($71.05)
Button ($15.20)
SB ($45.15)

Preflop: Hero is MP with Q, A.
UTG calls $0.50, Hero raises to $2.5</font>, CO calls $2.50, 3 folds</font>, UTG calls $2.

Flop: ($8.25) Q, 2, 6 (3 players)</font>
UTG checks, Hero bets $4</font>, CO raises to $10</font>, UTG folds, Hero calls $6.

Turn: ($28.25) 9 (2 players)</font>
Hero checks, CO checks.

River: ($28.25) 5 (2 players)</font>
Hero bets $9</font>, CO raises to $58.55</font>, Hero folds.

Final Pot: $46.25