$22 HU Did I wildly overplay Top pair?

[Manque]

We had not played many hands HU. Villian had been playing fairly tight 3-4 handed.

***** Hand History for Game 2934554227 *****
150/300 Tourney Texas Hold'em Game Table (NL) (Tournament 16894177) - Wed Oct 26 14:44:15 EDT 2005
Table Table 67296 (Real Money) -- Seat 7 is the button
Total number of players : 2
Seat 7: skairzo (3695)
Seat 8: prits308096 (4305)
skairzo posts small blind (75)
prits308096 posts big blind (150)
** Dealing down cards **
Dealt to skairzo [ 9d, 8h ]
skairzo raises (375) to 450
prits308096 raises (600) to 750
skairzo calls (300)
** Dealing Flop ** : [ 4s, 9h, 2s ]
prits308096 checks.
skairzo bets (1000)
prits308096 raises (2900) to 2900
skairzo raises (1945) to 2945