As far as other things to bring....we will frequently freeze go gurts and bring them in. I hate that there's so little fruit and veggies, so I'll frequently bring fruit cups/apple sauce cups and carrotts (little one demands ranch as well, so I'm sure we'll have that, too
This may sound silly but if you have a Long Johns Silvers near you, they have individual Hidden Valley Ranch containers for their salads and wraps. I know that when I've seen them that I thought theyd be good to have on a trip just like D-land. So...you could go and have something and ask for some sides of ranch to go with. Just make sure you put them in a baggie, I forgot about one and it opened in my bag...yuck! Just a thought