...she (dd) is nearly 5, and loves dogs but is nervous and tends to get more jumpy/jittery when scared (squeals, running away in circles, etc). Much like a pup 
Any tips for smoothing the meeting?
He (Risk) is nearly 5 months old, lab x, and apparently very polite - but I've not met him yet. The fosterer sounds lovely, and has her own dogs, cats and chickens, but no kids.
I'm thinking dd might be a bit overwhelmed after longish drive, as might I, and we only have half an hour there to get to know him, and oh rats I'm just panicking aren't I?! As in, what if dd is terrified and cries and doens't like him? What if I don't like him? what if he doesn't like us?!
As you were....