Enjoy this vegetable salad of crisp cucumbers and summer ripened tomatoes even if you are on a low sodium diet.
Mix oil, vinegar, sugar, Seasoning and salt in large bowl with wire whisk until well blended. Add cucumbers, tomatoes and onion; toss to coat well. Cover.
Refrigerate at least 1 hour to blend flavors. Just before serving, sprinkle with feta cheese.