Yes

It depends on who's working. I've seen a couple of servers say no, but I've also seen 3 dogs at a time out there. As long as they are friendly and well behaved, I don't see it as a problem (I'm a server there).

Cast Iron offers a 10% discount for all military, with military ID or in uniform.

No

No

Is it easier to ask people that dine there about employment opportunities? Call the business and ask, Madam. Good luck!