Not wishing to turn this in to a religious thread....
That is an EXTREMELY odd (and thankfully, rare) attitude for a Christian to take. I don't know what made her feel that way but I would go so far as to say it would be pretty ignorant for her to view all non-Christians that way. Most of my mates don't share my beliefs and I wouldn't think twice about allowing them to play with my daughter.
It's important to realise that once we are saved, we're not suddenly transformed in to perfect people - we are still capable of doing bad things. We still getting tempted by all kinds of things, lust, dishonesty etc.
I like to think that this person's views has not affected the way you regard us Jesus freaks