low pairs in early....... friend or fow

[Muppet Man]

Are low pairs not profitable early or is this just a bad beat

where did i go wrong in this hand

my thoughts are that it is fine to limp call with low pockets is this right or wrong ?

Hold'em No Limit ($0.10/$0.25) - 2007-10-11
Table 'Northern Dancer' 9-max Seat #2 is the button
Seat 1: akumul8r ($25.70)
Seat 2: nigmeplz ($35.88)
Seat 3: AYO2 ($25.70)
Seat 4: Badmeat ($26.95)
Seat 5: dandriff ($33.75)
Seat 6: HERO ($26.15)
Seat 7: mojo3120 ($51.56)
Seat 8: koyymtm ($62.74)
Seat 9: Violence ($6.65)
------------------------------
NEW HAND
AYO2: posts the small blind $0.10
Badmeat: posts the big blind $0.25
--- DEALING POCKETS
HERO is dealt [3s,3c]
dandriff: calls $0.25
pana: calls $0.25
mojo3120: raises $0.25 to $0.50
koyymtm: calls $0.50
Violence: calls $0.50
akumul8r: calls $0.50
nigmeplz: folds
AYO2: folds
Badmeat: folds
dandriff: calls $0.25
HERO: calls $0.25
--- DEALING FLOP [4s,3h,Kh]
dandriff: checks
HERO: checks
mojo3120: checks
koyymtm: checks
Violence: checks
akumul8r: checks
--- DEALING TURN [5c]
dandriff: checks
HERO: bets $1.90
mojo3120: folds
koyymtm, it's your turn. You have 10 seconds to act
koyymtm: raises $1.90 to $3.80
Violence: folds
akumul8r: folds
dandriff: folds
HERO: calls $1.90
--- DEALING RIVER [4d]
HERO: checks
koyymtm: bets $9.90
pana: goes all in $21.85
koyymtm: calls $11.95
koyymtm: shows [5d,5h], a Full House, Fives full of Fours
HERO: shows [3s,3c], a Full House, Threes full of Fours
koyymtm: shows [5d,5h], a Full House, Fives full of Fours
Hand 935703307:
koyymtm: wins main pot($53.15)
with a Full House, Fives full of Fours
HERO: is sitting out

any thoughts would be great