Call a raise with small pair no kicker after bringing-in?

[AceofSpades]

A fairly common situation is where I bring-in for $1 with small pair and no kicker (like [4h 7d] 4c, etc), the pot is $2 from antes. Someone then raises to $2, and most pots are 4 way including me on 4th,

Should I be calling to try to hit trips on fourth and folding if I don't?