Meanwhile, cook orange juice, panela, chiles and allspice berries in saucepan on medium heat 10 min. or until reduced to 2/3 cup, stirring frequently. Pour through strainer into medium bowl. Discard strained solids. Reserve 1/4 cup juice mixture for later use. Whisk cream cheese product, milk and garlic powder until blended. Add to remaining juice mixture; whisk until blended.