Animal Kingdom- Dino-Bite Treats have really terrific ice cream treats. They have ice cream sandwiches made with fresh cookies and their strawberry shortcake one is yummy .
Epcot- Frances- Artisan de Glace is killing the ice cream game. They have several really good unique ones. They have a brioche they stuff with ice cream that is amazing. look up photos , they also have a delicious ice cream martini that's customizable- choice of Grand Marnier, Whip cream vodka or rum plus your choice of ice cream served in a martini glass.
Magic Kingdom- sorry I go for Dole Whip here ...tradition
Disney Springs- Ghiradelli or Vivoli il Gelato
Resorts - you have to go to Mecca ---Beaches & Cream Old Fashion ice cream shop. Popular dishes : No Way Jose Sundae Peanut Butter and Hot Fudge delight featuring Chocolate and Vanilla Ice Cream, Peanut Butter and Chocolate Morsels, Whipped Cream, and a Cherry or if you dare the Kitchen Sink (served in a Kitchen sink of course and big enough for the whole family plus in laws : Scoops of Vanilla, Chocolate, Strawberry, Cookies ‘n Cream, and Mint Chocolate Chip topped with, Hot Fudge, Peanut Butter, Snickers pieces, Fresh-baked Brownie, and smothered in every additional topping we have. plus a whole can of whip cream!!!