
In a large mixing bowl, combine the cream cheese, sour cream, lemon juice, salt, and pepper. With a hand mixer, beat until well combined, airy, and smooth, about 30 seconds.
Fold in the salmon, chives, and dill with a spatula. Cover and refrigerate for at least 30 minutes before serving.
Serve the dip with crackers. Garnish with additional chopped dill and chives, if desired.