backyard help

Hi everyone, First post here. I want to completely level out my backyard (or at least the mid section of it) because my dog has made a bunch of holes. I also want to create a planting bed along my fence to start growing some trees to bring some shade to the hot summer days here in Central...

We recently bought our dream home. Located on a little over an acre we are on a slab foundation. Water runs off the "hill" and pools in the back "lower" yard. We want to know the best way to tackle this as we have small children and want to use the backyard! It just rained about 4 inches last...