In small bowl, mix cream cheese, crabmeat, onion and red pepper. Spoon about 1 teaspoon crab mixture 1/2 inch from 1 corner of 1 square. Starting with same corner, fold dough over filling, and tuck end tightly underneath filling; continue rolling to within 1/2 inch of opposite corner. Lightly brush exposed corner with egg white. Roll moistened corner of dough over roll; press to seal. Place on cookie sheet. Brush with egg white. Repeat with remaining squares and filling.