Beat shortening and peanut butter in large bowl until well blended. Add 1/3 cup sugar and brown sugar; beat until fluffy. Add egg, milk and vanilla; beat well. Stir together flour, baking soda and salt; gradually beat into peanut butter mixture.
Shape dough into 1-inch balls. Roll in sugar and place on ungreased cookie sheet.
Bake 8-10 minutes or until lightly browned.
Immediately press Kisses into center of each cookie. Cookie will crack around edges.