Creamy Canned Chicken Spread

I can eat this Creamy Canned Chicken Spread by the spoon full, it's so good! Canned chicken pieces are mashed into a creamy mayonnaise and cream cheese mixture tossed along with some onion pieces, creating an absolutely amazing and easy chicken spread.
1 (12.5oz) Can of Chicken breast
6 oz cream cheese, softened
4 tbsp mayonnaise
1 small sweet onion, diced