too aggressive or standard?

[lange101]

Seat 1: Bunzer11 (2405 in chips)
Seat 2: Lange101 (3963 in chips)
Seat 3: Rottiesrage (2580 in chips)
Seat 4: Sooner32 (7710 in chips)
Seat 5: kershal (3695 in chips)
Seat 6: Fusch (1635 in chips)
Seat 7: shemoves (3522 in chips)
Seat 8: Fooge (3435 in chips)
Seat 9: Snug (2350 in chips)
Bunzer11: posts small blind 75
Lange101: posts big blind 150
*** HOLE CARDS ***
Dealt to Lange101 [8h Jh]
Rottiesrage: folds
Snug said, "Bunzer11 Isthat schofield, WI"
Sooner32: folds
kershal: folds
Fusch: folds
shemoves: folds
Fooge: folds
Snug: folds
Bunzer11: calls 75
Lange101: checks
*** FLOP *** [9c Jc 6h]
Bunzer11: bets 300
Lange101: calls 300
*** TURN *** [9c Jc 6h] [5d]
Bunzer11: bets 450
Lange101: raises 750 to 1200

too aggressive or pretty standard? I thought that he was a pretty weak player, and his turn bet didn't seem very strong. flame away. sorry, I don't know how to convert hands...