Cucumber Tomato Salad

2 medium cucumbers, peeled,  seeded and thinly sliced
4 tomatoes, sliced in wedges
1 red onion, thinly sliced
1/2 tsp finely chopped jalapeno pepper

1/4 cup red wine vinegar
3 Tbsp. extra virgin olive oil
1 tsp sugar
1/2 tsp dill
1/2 tsp chopped chives
freshly ground black pepper
salt to taste