Cream Crisco® Shortening and peanut butter in large mixing bowl. Gradually add 1/2 cup white sugar, and brown sugar. Beat until light and fluffy. Add egg, milk and vanilla; beat well.
In a separate bowl, combine flour, soda, and salt; add to creamed mixture.
Roll dough into 1-inch balls and then roll in 1/4 cup white sugar. Place 2 inches apart on a lightly greased cookie sheet.
Bake at 375 degrees for 8 minutes. Remove from oven; press a chocolate kiss in the center of each cookie. Return to oven for an additional 2 minutes or until lightly browned. Remove cookies to a rack to cool completely.