Is my play ok?

[testaaja]

Greetings everyone. I'm new here and I would like to discuss about some hands that really bother me. I have been playing poker for some three months or so and I'm really up to learning new stuff. I am currently reading The Theory of Poker and Hold em Poker For Advanced Players (btw very good books).

So, I am bothered about my flop/turn play. Do I fold too much middle pairs on flop? If I don't catch trips I usually fold if someone raises, especially if it is a preflop raiser and board has some big cards. I think these few hands will do the trick.
Ok, so I was playing 10 handed $0.1/$0.2 fixed limit game.

I'm on the big blind [img]/images/graemlins/club.gif[/img]9 [img]/images/graemlins/diamond.gif[/img]9
bb+1 calls
bb+2 raises
5 folds
button raises
sb folds
I call
bb+1 folds
bb+2 calls
Flop comes: [img]/images/graemlins/heart.gif[/img]3 [img]/images/graemlins/diamond.gif[/img]8 [img]/images/graemlins/club.gif[/img]A
I check
bb+2 bets
button raises
I fold and they cap.
Turn is [img]/images/graemlins/heart.gif[/img]9 . So, was I supposed to throw my hand away? Was it correct play?

And here goes another one:
I'm on the sb [img]/images/graemlins/spade.gif[/img]Q [img]/images/graemlins/spade.gif[/img]3

bb+1 calls
2 folds
bb+4 calls
2 folds
bb+7 calls
button calls
I call.
bb checks
Flop comes: [img]/images/graemlins/heart.gif[/img]2 [img]/images/graemlins/diamond.gif[/img]10 [img]/images/graemlins/heart.gif[/img]Q
I check
bb checks, bb+1 checks
bb+4 bets
bb+7 calls
button calls
I fold
2 folds
River: [img]/images/graemlins/diamond.gif[/img]Q

Was I supposed to look at the river? I think I misplayed here big time.

All help will be appreciated! Sorry for the crappy output, I didn't find a prima hand history converter [img]/images/graemlins/frown.gif[/img].

Testaaja