Adr at epcot 4th july

[wmoon]

We are staying onsite and hope to go to a Epcot in the evening to see illuminations and have dinner. We are at the yacht club and probably wouldn't be heading into Epcot until the evening. Will we be fine to get in for our ADR?
Also not sure where to book, we have the dining plan and our options are nine dragons, Morocco, Tutto Italia or San Angel Inn, we have not been to any of them and we will have a 6 year old with us.
Thanks for any advice.