Villain is 38/23 so seems fishy.
On the river, what should be my ideal size for a raise?
Any arguments against raising?
$0.10/$0.25 No Limit Hold'em Cash, 6 Players
CO: $47.96 (191.8 bb)
BTN: $31.74 (127 bb)
SB: $25 (100 bb)
BB: $26.84 (107.4 bb)
Hero (UTG): $25 (100 bb)
MP: $27.46 (109.8 bb)
Preflop: Hero is UTG with A♠ K♠
Hero raises to $0.75, 4 folds, BB calls $0.50
Flop: ($1.60) 4♣ 6♥ 9♣ (2 players)
BB checks, Hero checks
Turn: ($1.60) A♦ (2 players)
BB checks, Hero bets $1, BB calls $1
River: ($3.60) K♥ (2 players)
BB bets $2.25, Hero ???