We were at Chefs de France last week. We saw Remy at another table. When we ask the waiter if he would come to our table we were told that he was off duty. I think he is only there for a short time. By the time we were seated and ate our meal it was after 6 pm.
We are just back from the World. Pop bus at MK is the last stop. HS stop is right out side of the entrance. EPCOT stop is the last stop. I'm not sure about AK since we hopped from AK to HS. The stop at the Market Place is one of the first.
My family and I usually only spend half a day at AK. I suspect that since you have little ones, you won't be doing EE or Dinosaur. You could probably do AK from 9 to 2 seeing and doing most everything, then go back to the resort for a break.
There is also one in Downtown Disney and another in MK near Frontier Land or Liberty Square, I forget the exact spot. The prices vary depending on how many people you have having done.
Don't sweat it. If no one else in your party won't help you just pick what you would like. You have plenty of time before you can make your ADRs. The menus might change by the time June comes around.