Mix warm milk, yeast, and sugar; let foam 5–10 mins.
Add egg, butter, flour, and salt. Knead until smooth; rise 1–1.5 hrs.
Beat cream cheese, sugar, and vanilla. Mix cinnamon, sugars, and cinnamon separately.
Roll dough into 12x16 rectangle. Spread butter, sprinkle cinnamon sugar, spread cream cheese filling.
Roll into a log, slice 12 rolls.
Arrange in greased dish, rise 30–45 mins.
Bake at 350°F for 22–28 mins until golden.
Cool 10 mins, drizzle glaze, and serve.
