PLACE squash, cut-sides up, in microwaveable dish; cover with plastic wrap, turning back one corner to vent.
MICROWAVE on HIGH 12 to 14 min. or until squash is tender. Meanwhile, cook bacon 8 to 10 min. or until crisp, turning occasionally; drain.
MIX syrup and dressing; brush onto squash. Crumble bacon; sprinkle over squash.