How do I get most value?

What do I do on river for most value and also how I get the most money throughout the hand? I was certain I had villian beat, just wanted to win most $$ possible.

#Game No : 4869107933
***** Hand History for Game 4869107933 *****
$25 NL Texas Hold'em - Thursday, August 03, 17:27:53 ET 2006
Table Table 96279 (No DP) (Real Money)
Seat 10 is the button
Total number of players : 10
Seat 1: haziszilva ( $39.15 )
Seat 5: seansmyth333 ( $61 )
Seat 6: spoon72 ( $5.12 )
Seat 9: xenuf ( $37.90 )
Seat 10: LeShagg ( $9.65 )
Seat 2: waterhat21 ( $34 )
Seat 7: AnFrid ( $10.65 )
Seat 4: redhill7 ( $22.60 )
Seat 8: FORZA_ ( $24.15 )
Seat 3: martincues ( $0 )
haziszilva posts small blind [$0.10].
waterhat21 posts big blind [$0.25].
** Dealing down cards **
Dealt to waterhat21 [ Td 4d ]
martincues has joined the table.
redhill7 folds.
seansmyth333 raises [$0.50].
AnFrid folds.
FORZA_ folds.
xenuf calls [$0.50].
LeShagg folds.
haziszilva folds.
waterhat21 calls [$0.25].
** Dealing Flop ** [ Th, 3d, 4c ]
waterhat21 checks.
seansmyth333 bets [$0.50].
xenuf folds.
waterhat21 raises [$1.50].
seansmyth333 calls [$1].
** Dealing Turn ** [ 8d ]
waterhat21 bets [$3].
seansmyth333 calls [$3].
** Dealing River ** [ 9d ]

I'm generally potting flops that hit me very hard nowadays. Sometimes kills the hand right there, but when it doesn't it makes it much easier to get the rest in later.