No-Limit Hold'em, $0.50 BB (4 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com
saw flop
SB ($42.60)
Gerv (BB) ($56.80)
UTG ($51)
Button ($47.65)

Preflop: Gerv is BB with A♣, J♦
1 fold, Button bets $2, 1 fold, Gerv calls $1.50
Flop: ($4.25) 5♦, 9♣, K♥ (2 players)
Gerv checks, Button checks
Turn: ($4.25) 3♦ (2 players)
Gerv bets $3, Button calls $3
River: ($10.25) Q♦ (2 players)
Gerv bets $7
1) Is this by default a 3bet preflop vs this guy?
2) if I bet the Turn and a scare card comes on the River, is this barrel mandatory then or is giving up also ok?