Full Tilt No-Limit Hold'em, $1.00 BB (8 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

UTG ($92.10)
UTG+1 ($104.60)
MP1 ($27.80)
MP2 ($32.10)
CO ($110.65)
Button ($97)
SB ($115.55)
Hero (BB) ($100)

Preflop: Hero is BB with 2, 2
4 folds, CO raises to $3, 2 folds, Hero calls $2

Flop: ($6.50) A, J, 2 (2 players)
Hero bets $4, CO calls $4

Turn: ($14.50) J (2 players)
Hero checks, CO bets $9, Hero calls $9

River: ($32.50) 4 (2 players)
Hero checks, CO bets $21, Hero?

Villain is 15/9/3 and a fairly solid reg but seems spewy at times

I almost want to just call because I feel like he's going to fold everything that we beat.