Chocolate Peanut Butter Pretzel Bites

1/2 cup creamy peanut butter
1/4 cup + 1 Tbsp confectioner's sugar
1 Tbsp {room temperature} unsalted butter
1 cup crushed pretzels
5 ounces milk chocolate, melted

Stir peanut butter, confectioner's sugar and butter together.
Stir in pretzels.
Form into 1-inch balls.
Freeze for 30 minutes.
Dip in melted milk chocolate.
Refrigerate until set.