Session review partner suggested that I post this hand on FTR.

No notes on villain, I had only been @ the table for an orbit or 2.

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($50)
UTG+1 ($57.65)
MP1 ($25.70)
MP2 ($24.60)
Hero ($46.30)
Button ($27.35)
SB ($25.20)
BB ($54.75)

Preflop: Hero is CO with K, Q.
UTG calls $0.25, 3 folds, Hero raises to $1.25, Button calls $1.25, 2 folds, UTG calls $1.

Flop: ($4.10) 9, 3, J (3 players)
UTG checks, Hero bets $3, Button folds, UTG calls $3.

Turn: ($10.10) T (2 players)
UTG checks, Hero bets $6, UTG calls $6.

River: ($22.10) A (2 players)
UTG bets $15.25, Hero ?????

Call? Fold? Shove? What's the best river action here?