Slow Cooker Orange Sweet Rolls

Ingredients

• 1 cup milk
• 1/4 cup plus 1 teaspoon granulated sugar, divided
• 1 (0.25oz) package (7g) or 2 1/4 teaspoons Platinum Yeast
• 2 3/4 - 3 1/4 cups bread flour
• 1 teaspoon table salt
• 1/2 cups unsalted butter (melted and cooled, divided)
• 1 large egg
• 1 teaspoon vanilla extract
• 1/2 cup packed light brown sugar
• 1/2 tablespoon orange zest
• 1 teaspoon ground cinnamon
• 1 1/3 cups confectioners' sugar
• 1/2 teaspoon orange zest
• 1 tablespoon fresh orange juice
• 3-4 tablespoons heavy cream