Combine 2 cups watermelon, apple, mango, blueberries, and 1 kiwi.
In blender, combine remaining 1 cup watermelon, 1 kiwi, the yogurt, and honey; puree until of dressing consistency.
Just before serving, set aside 18 pecan halves for garnish.
Chop remaining pecans and stir into fruit mixture.
Spoon dressing onto each plate, mound fruit confetti in center and garnish with reserved pecan halves.