Best Ever Chicken Salad



4 boneless chicken breasts, cooked and either chopped or shredded
1/2 cup finely diced onion
1/2 cup finely chopped celery
Salt, as per preference
Freshly ground black pepper, to taste
1/2 to 1 cup dried cranberries
For the Dressing:

1 cup mayonnaise
1/2 cup granulated sugar
1/4 cup vinegar
1 teaspoon prepared mustard
1 teaspoon salt (adjust according to taste)
1/4 teaspoon freshly ground black pepper

For Ingredients And Complete Cooking Instructions Please Head On keep  on Reading  (>)