bad play by me need coments...

[axel]

Seat 1: chight ($72)
Seat 2: TinyCities ($33.40)
Seat 3: PYArcher ($104.75), is sitting out
Seat 4: hero ($45.50)
Seat 5: djp823 ($61.75)
Seat 6: spagod ($48.15)
djp823 posts the small blind of $0.25
spagod posts the big blind of $0.50
The button is in seat #4
*** HOLE CARDS ***
Dealt to hero [7c 8c 5c 3s]
chight folds
chight is sitting out
TinyCities folds
hero raises to $1.75
djp823 calls $1.50
spagod folds
*** FLOP *** [Ah 4s 2s]
djp823 checks
hero bets $4
djp823 calls $4
*** TURN *** [Ah 4s 2s] [8h]
djp823 checks
hero bets $12
djp823 calls $12
*** RIVER *** [Ah 4s 2s 8h] [8d]
djp823 bets $30.50
hero has 15 seconds left to act
hero is sitting out
hero has timed out
hero folds
Uncalled bet of $30.50 returned to djp823
hero has returned
djp823 shows [2h Ks 7h Qs] two pair, Eights and Twos
djp823 wins the pot ($34.20)
djp823 is sitting out
djp823 has returned
*** SUMMARY ***
Total pot $36 | Rake $1.80
Board: [Ah 4s 2s 8h 8d]

i have no reads om him can i place him on a bluff or a draw? cant he have a pair with a running 8? need tips