Combine cherries and juice in a small microwave-safe bowl. Microwave at HIGH 1 minute; let stand 5 minutes.
Drain; discard liquid. Finely chop cherries.
Combine ricotta cheese, 1 tablespoon sugar, rind, and vanilla in a medium bowl. Reserve 1/2 cup of the ricotta mixture.
Add 1/3 cup buttermilk and canola oil to remaining ricotta mixture, stirring until smooth.
Weigh or lightly spoon flours into dry measuring cups; level with a knife.
Combine flours, remaining 3 tablespoons sugar, baking powder, and salt in a large bowl; cut in butter with a pastry blender or 2 knives until mixture resembles coarse meal.
Add cherries and almonds; toss.
Add buttermilk mixture; stir just until combined.
Drop dough by 1/4 cupfuls 3 inches apart onto a baking sheet lined with parchment paper.
Combine egg and remaining 1 tablespoon buttermilk, stirring with a whisk. Gently brush top and sides of dough with egg mixture.
Bake at 425 for 15 to 16 minutes or until golden.
Remove from pan; cool slightly on a wire rack.
Beat the reserved ricotta mixture at medium speed 3 minutes or until fluffy.