The contraction you’re is formed with the words you are.
I heard you’re going to Florida.
I heard you are going to Florida.
Use the contraction you’re when you can replace it with the words you are.
Use the word you’re as a contraction for the word you are.
It’s your turn. Which of these sentences should use the contraction you’re? I like ___ dress. I heard ____ wearing that dress to the dance. Did you choose the second sentence? Good for you!