Drain salmon into 2-cup measure.
Add milk to make 1 1/2-cups liquid.
Remove bones and skin from salmon and flake meat thoroughly.
In 2-quart bowl, beat eggs.
Add salmon liquid.
Stir in cracker crumbs, onion, lemon juice, salt and pepper.
Add salmon and stir lightly until just moistened.
Handling gently, spread mixture in (9 x 5-inch) glass loaf dish.
Microwave 15 minutes on '7', or until center is set.
Serve with cucumber sauce.