PokerStars No-Limit Hold'em, $0.50 BB (4 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($68.15)
SB ($84.80)
BB ($76.70)
UTG ($27.35)

Preflop: Hero is Button with 6, 7.
1 fold, Hero raises to $1.75, 1 fold, BB calls $1.25.

Flop: ($3.75) 7, 9, 7 (2 players)
BB checks, Hero bets $3, BB calls $3.

Turn: ($9.75) 4 (2 players)
BB checks, Hero checks.

River: ($9.75) 3 (2 players)
BB bets $4, Hero raises to $12...

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Villian is a TAG (26/13/1.6 over 115 hands) who I suspect has been floating me.

How's my line here given that?