Gin Thyme Lemonade

Ingredients

• 1-1/3 to 1-1/2 cups sugar
• 5 cups cold water
• 1 small bunch of thyme (10 to 15 sprigs or so)
• 2 cups lemon juice
• 1 cup gin
• 1-1/2 cups blueberries
• 3/4 cup sugar
• 1 16-ounce container chilled sour cream
• 1 cup chilled whole milk
• 1/2 cup chilled heavy cream
• 2 teaspoons fresh lime juice
• 1/2 teaspoon pure vanilla extract
• pinch salt