Villain is a good reg 21/16/2.3. We 3bet each other and go back and forth all the time but we've no real history here. I've just recently started playing any 5/10.
Preflop minraiser is a 61/12 fish.

$5/$10 No Limit Holdem
4 players
Converted at weaktight.com

Stacks:
CO ($3904.39)
BTN ($996.00)
SB ($955.00)
Hero ($1040.00)

Pre-flop: ($15, 4 players) Hero is BB
CO raises to $20, BTN calls $20, 1 fold, Hero calls $10

Flop: ($65, 3 players)
Hero bets $55, 1 fold, BTN calls $55

Turn: ($175, 2 players)
Hero bets $135, BTN calls $135

River: ($445, 2 players)
Hero bets $830, BTN has $786 to call