To be fair the KotS paladin was made with 22 point buy, whereas yours certainly wasn't ! Rolled stats ?
With 22 point buy I was thinking along the lines of 10 str, 12 con, 14 dex, 8 int, 16 wis, 18 cha for a halfling paladin (including racial mods, obviously). Not having con at 14 makes me cry...