My last post didn't appear, so:
VKS should be fine. The ground pickup already agreed to Vicksburg, and, in my experience, uncontrolled airports are easier for the ground folks, too. If they call in advance and check in early, they can often pull vehicles right up to the plane on the ramp for the transfer.
Avgas is cheaper, too, at VKS, compared to HKS. I've flown in there before; nice field, nice facilities.
I'm sure we'll hear from Julie soon about the contact details in MS.
FWIW: I'm planning to fly the boy on a tether secured to a rear seat belt, but I won't know for sure until he arrives. If it seems as if he'll be more comfortable and secure, I'll crate him in a medium crate. Do you have one/access to one?
Looking forward to meeting you.
Stephen Wade Roberts
N20223, Cessna 177B Cardinal II
Pearland (TX) Regional Airport (KLVJ)