amazingly delicious berry fruit salad

Ingredients

• 1 cup light sour cream
• 1 cup light cream cheese, whipped or block, softened
• 1 package 4 serving size, fat/free, sugar/free instant vanilla pudding or regular instant pudding, (you can use banana, strawberry creame, coconut, or vanilla) dry.( most come in f/f and s/f varities)
• 1 large can crushed pineapple, in its own juice, juice and all
• 2 cups sliced, fresh, or frozen unsweetened strawberries
• 1 cup whole, frozen, unsweetened blueberries
• 1/2 to 1 cups chopped walnuts
• 1 package 16 oz. light cool-whip, divided
• 1/4 cup white granulated sugar, splenda white sugar blend or splenda granules, if needed (to taste)
• 1/2 teaspoon red food coloring, helps to make salad more appealing but is optional