Crab-And-Pink Grapefruit Salad - A better choice!

Ingredients

• 400 grams Crab meat, cooked (picked over to remove bits of cartilage)
• 1 sml/med Pink grapefruit, peeled, segmented and chopped
• 2 Red delicious apples, cored and finely sliced and chopped
• 1 Lg Celery stalk, finely chopped
• DRESSING:
• 1/2 Cup Mayonnaise
• 2 tsp Grapefruit zest
• 2 tsp Grapefruit juice, freshly squeezed
• 1 Onion shallot, minced
• 2 Tbsp White wine vinegar
• 1/2 tsp Salt