I bet the whole way. Correct with bottom pair?

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I'm sitting with bottom pair, and a gutshot draw on the flop. I chose to bet out on every street. If I get raised on the flop or turn I plan to fold. Correct play?

Party Poker 1/2 Hold'em (8 handed) converter

Preflop: Hero is UTG+1 with 9[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/heart.gif[/img].
UTG folds, Hero calls, MP1 calls, MP2 folds, CO folds, Button folds, SB completes, BB checks.

Flop: (4 SB) T[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/diamond.gif[/img] <font color="blue">(4 players)</font>
SB checks, BB checks, <font color="CC3333">Hero bets</font>, MP1 calls, SB folds, BB folds.

Turn: (3 BB) 4[img]/images/graemlins/club.gif[/img] <font color="blue">(2 players)</font>
<font color="CC3333">Hero bets</font>, MP1 calls.

River: (5 BB) 2[img]/images/graemlins/heart.gif[/img] <font color="blue">(2 players)</font>
<font color="CC3333">Hero bets</font>, MP1 calls.

Final Pot: 7 BB
<font color="green">Main Pot: 7 BB, between Hero and MP1.</font> &gt; <font color="white">Pot won by Hero (7 BB).</font>

Results in white below: <font color="white">
Hero shows 9h 8h (one pair, nines).
MP1 shows Jd Ah (high card, ace).
Outcome: Hero wins 7 BB. </font>