Pumping!

I was exclusively pumping breastmilk for my newborn and I just wasn’t on schedule for a few days and ended up on pumping once or twice a day. When I hand express there’s still a lot of milk coming out. But I’m no longer leaking milk or getting full. My breast’s actually look way smaller as if my milk has completely dried up. That’s how I know my supply is decreasing but not completely gone. What can I do to get it back? I’m getting on a schedule with pumping today but I’m not getting enough milk to feed my baby. I know I need to just power pump to get my supply back but what else can I try?