At this level theres really no need to be putting so much money in on 2nd pair. I'm assuming you won with trip jacks.

10NL an below in my opinion is essentially all about nut camping. Make the nuts and bet it. That's really all there is to it. These levels are really only useful learning the basics, discipline and building your bankroll. Just know that once you get to 25NL and above play is significantly different. There won't be 6 people seeing a flop every hand.