Analyze my play on this hand please

[kamk2k8]

New poster here, i would say i am a beginner-intermediate and im just wondering if i made the right play here.

PokerStars Game #4884314207: Tournament #24471166, 50000+800 Hold'em No Limit - Level IV (50/100) - 2006/05/09 - 19:52:26 (ET)
Table '24471166 1' 9-max Seat #1 is the button
Seat 1: davidrk (5300 in chips)
Seat 2: Tamu 87 (780 in chips)
Seat 4: RC2005RC (3120 in chips)
Seat 6: buds7 (4300 in chips)
Tamu 87: posts small blind 50
RC2005RC: posts big blind 100
*** HOLE CARDS ***
Dealt to davidrk [7h 8h]
buds7: calls 100
davidrk: raises 300 to 400
Tamu 87: folds
RC2005RC: calls 300
buds7: calls 300
*** FLOP *** [Th Tc Ac]
RC2005RC: checks
buds7: checks
davidrk: bets 600
RC2005RC: calls 600
buds7: calls 600
*** TURN *** [Th Tc Ac] [9s]
RC2005RC: checks
buds7: bets 100
davidrk: raises 1900 to 2000