How's my line here?

Should I have slowed down on the turn when getting two callers?

PokerStars No-Limit Hold'em, $0.10 BB (7 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Button ($19.55)
SB ($2.05)
BB ($9.05)
UTG ($12.55)
MP1 ($1.65)
Hero (MP2) ($10.65)
CO ($12.95)

Preflop: Hero is MP2 with Khttp://www.flopturnriver.com/phpBB2/...es/diamond.gif, Qhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif
2 folds, Hero raises to $0.40, 1 fold, Button calls $0.40, 1 fold, BB calls $0.30

Flop: ($1.25) 2http://www.flopturnriver.com/phpBB2/...es/diamond.gif, Khttp://www.flopturnriver.com/phpBB2/...iles/spade.gif, Jhttp://www.flopturnriver.com/phpBB2/...iles/spade.gif (3 players)
BB checks, Hero bets $0.90, Button calls $0.90, BB calls $0.90

Turn: ($3.95) 3http://www.flopturnriver.com/phpBB2/...es/diamond.gif (3 players)
BB checks, Hero bets $2.50, Button calls $2.50, 1 fold

River: ($8.95) 9http://www.flopturnriver.com/phpBB2/...iles/heart.gif (2 players)
Hero checks, Button bets $1.40, Hero calls $1.40

Total pot: $11.75 | Rake: $0.55

I'd go bigger on the turn

You're beat on the river, but you're happy that he didn't bet something like $5 and put you to a hard decision. I'm almost never folding to that river bet unless I have a read that the guy bets small with the nuts. A lot of the time you'll lose, but you can't make these laydowns against people who bet small as a bluff. But when I see people bet small to guarantee a call I can fold this maybe 20% of the time and call 80% of the time.