1 - cucumber diced
2- cups of diced watermelon
2 - tblsp chopped red onion
1/4 - cup red wine vinegar
1/4 - cup sugar
2 - Tbsp chopped mint
1/2- cup yogurt or sour cream
Directions :
Mix the yogurt, vinegar and sugar in a small bowl together.
Toss remaining ingredients in large mixing bowl.
fold in dressing.