PokerStars $30+3 No-Limit Hold'em SnG, Big Blind is t200 (2 handed)

2nd hand HU. opp is erractic. Even with a full table, he has been limping into lots of pots, even with a big stack with a whole array of poo (62o, K5o etc). Calls a lot of bets with nothing/ultra marginal holdings and likes to min-bet a lot when checked to.

Staresy (t9155)
BB (t4345)

Preflop: Staresy is Button with K, K.
Staresy raises to t600, BB calls t400.

Flop: (t1200) 5, T, T (2 players)
BB checks, Staresy bets t700, BB calls t700.

Turn: (t2600) 7 (2 players)
BB bets t1800, Staresy .....