Only 16 hands on Villain so not enough for a read though at that he's 62/18 (can't be reliable).
I figured he's either floating a pair on me or he's chasing the flush.
Is this just stupid?
Not a play I employ too often but will make from time to time.

Party Poker No-Limit Hold'em, $ BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($12)
UTG ($12.25)
Hero ($25)
MP1 ($59.65)
MP2 ($71.38)
MP3 ($9.05)
CO ($18.55)
Button ($41.85)
SB ($23.60)

Preflop: Hero is UTG+1 with K, A. SB posts a blind of $0.10.
UTG calls $0.25, Hero raises to $1.25, 5 folds, SB (poster) calls $1.15, 1 fold, UTG folds.

Flop: ($3) 7, 3, 7 (2 players)
SB checks, Hero bets $2, SB calls $2.

Turn: ($7) 4 (2 players)
SB checks, Hero bets $4, SB calls $4.

River: ($15) Q (2 players)
SB checks, Hero bets $10, SB ...