Welcome to MB!!!
As others have stated, you should think about adding the park hopper to your tickets. You can bounce between the parks as many times as you want.
What resort are you staying at???
For restaurants, we mainly eat at the resorts but have eaten at some of the parks. Here are our favs…
MK -Crystal Palace
Columbia Harbor House
Tony’s Town Square
AK - Donald’s Safari Breakfast - Tusker House
MGM - H&V
EPCOT - Tutta Italia, Italy
Walk or take a boat to the Boardwalk and there is ESPN Club, Big River Grille. At Yacht Club/Beach Club there is Cape May Cafe and Beaches n Cream (best, best ice cream).
Contemporary - Chef Mickey’s
Grand Floridian - 1900 Park Fare
Polynesian - O’Hana’s
Wilderness Lodge - Whispering Canyon
YC/BC - Cape May Cafe
Ft. Wilderness - Mickey’s Backyard BBQ
Downtown Disney - House of Blues
Earl of Sandwich
Good planning tools to check out…
Books - Ultimate Guide to WDW
Walt Disney World Passport
Websites - Allears.net
Mousebuzz of course
Hope some of this helps. Have fun planning and no matter what question it is, someone will most likely have an answer for you here!