Combine Flour And Salt. Add Shortening And Mix Until Mixture Resembles Cornmeal. Add 2 To 3 Tablespoons Water So Mix Forms Small Pea Shaped Balls. Roll To A Thickness Of 1/8 Inch. Place In Pie Plate And Poke Holes In Bottom With A Fork. Bake At 425 Deg F. Until Golden Brown. Filling: Mix Pudding Mix, Sour Cream, And Milk At Slow Speed For 1 Minute. Pour Into Baked Pie Shell.