I.G.
Oh, I remember that too! And I was just as paranoid! She didn't really smile either, just in her sleep.
If I remember it correctly, my daughter didn't really make eye contact and holding it until she was about three months old... she is a perfectly happy and healthy 2.5 year old now, a social butterfly and hit all her other milestones right on target.
I think at 9 weeks, there really isn't much to worry about. If it hasn't changed by your next well baby appointment, I would bring it up.
Good luck and congrats on the new baby.