Villain is 80/20/1.5 over ~70 hands with WTSD 45%

Notes:
calling station w/ TP
minbet w/ midpair, lead w/ turned combo, shoved river miss
valuebet TPNK on river

Basically I'm wondering if the turn shove is OK or is calling just better?

PokerStars No-Limit Hold'em, $0.10 BB (5 handed) from (Format: FlopTurnRiver)

Hero ($16.65)
Button ($15.20)
SB ($10)
BB ($18.15)
UTG ($9.85)

Preflop: Hero is MP with A, K.
1 fold, Hero raises to $0.4, 2 folds, BB raises to $0.7, Hero calls $0.30.

Flop: ($1.45) 6, A, 8 (2 players)
BB bets $1, Hero raises to $3, BB calls $2.

Turn: ($7.45) K (2 players)
BB bets $1, Hero raises to $12.95, BB calls $11.95.

River: ($33.35) 8 (2 players)

Final Pot: $33.35

What do you think this guy's preflop minimum reraising range is? Some clues on that would help a lot.