Curse of Strahd for a party of 3 newish players,should I add another ally card to the reading?

@ChrisPerkinsDnD looks like I'm running Curse of Strahd for a party of 3 newish players. Should I add another ally card to the reading?

— David Cornwell (@floatingskull) March 9, 2016

Nah. Just have Strahd take pity on them now and then. https://t.co/s4dLrvj20J

— Christopher Perkins (@ChrisPerkinsDnD) March 9, 2016