Saute onion in hot oil in a dutch oven over medium heat 8 minutes or until tender. Add garlic; cook, stirring often, 4 minutes or until garlic is tender and golden brown.
Add beans and next 6 ingredients; bring to a boil. Reduce heat to low; cover and simmer 10 minutes or until beans are tender. Stir in lemon juice. Transfer to a serving dish; sprinkle with feta. Serve with a slotted spoon.