well there are some tools in windows: essential sound that might help. Or you can manually ride your audio levels up and down using keyframes. Gotta say I've doing this for a really long time, and I generally do it manually. As I'm editing I make preliminary adjustments and then when I lock picture, I put on headphones and fine tune it. And if I've got the budget, I'll go to a specialist for the sound design. Worth doing just to watch an expert at work.
Also, equalization is not the same as audio balancing. equalization generally refers to adjusting the frequency spectrum of the audio, for example, making the bass louder than the treble while balancing is adjusting overall levels. The tools available are really amazing compared to what was out there just a few years. ago. If you have a full creative cloud subscription, you might want to do your audio work in Audition which has a much more robust tool set for this sort of thing. there are also many 3rd party plug-ins that can do truly magical stuff.
there are some great how to videos both from adobe and on youtube. do some googling and dig in. And post back with further specific questions. This is not my field of expertise but I do finish the audio for a lot of my projects, but generally these are shoots that are shot with professional audio engineers, etc.