1Heat oven to 450°F. In medium bowl, stir 2 1/4 cups Bisquick mix and the milk until soft dough forms. Drop by 6 spoonfuls onto ungreased cookie sheet. Bake 10 minutes or until golden brown.
2Meanwhile, in 2-quart saucepan, mix remaining ingredients. Heat to boiling over medium heat, stirring occasionally.
3To serve, split biscuits in half; place on 6 individual plates. Spoon generous 1/4 cup hot chowder mixture over bottom of each biscuit. Top with remaining biscuit halves. Spoon 1/4 cup chowder mixture over top of each biscuit.