Welcome to the forum and to this great section! Take your time to read through the stickies at the top of this section -- there is much useful information that it could otherwise take a long time to absorb!
I would heartily recommend that you make full use of DigitalPhotoProfessional (DPP) that is supplied with your Canon DSLR, and make sure that you go to the Canon site and download/install the latest version (3.8 ) to get the best use of the software. DPP does a very good job of processing your Raw files and has a huge benefit for those starting out in Raw in that it uses the in-camera Picture Styles to create your Raw preview as a "starting point" and then you are free to switch Picture Styles and White Balance settings and make your own adjustments to get the most out of your photo.
From there it is largely workflow choices and preferences -- you will want a decent pixel editor, such as Photoshop/Elements or another capable one (many use Gimp) for those images that need those capabilities.
But, then will be the question of how much you want to work with Raw and how much you want to use that pixel editor. I do almost all my work in my Raw processor and convert almost all my output jpegs from that Raw processor because they meet most of my needs, but I do occasionally go to Photoshop for special needs. Others prefer a workflow where most if not all their chosen photos go through Photoshop for various needs -- only you can decide for yourself what works best for you.
One thing that the above recommendations don't touch on is image management, such as the layout of your folders and files and tools to manage those folders and files. As long as you have a relatively low volume you can afford to be somewhat casual about such things, although I'd give some thought as to what you want your "library" to look like (organization of files and folders, naming preferences, etc) and it can be very helpful to at least look at assigning keywords to your files using either the built-in tools in Photoshop Elements or Photoshop Bridge or else an external app. From there, you have special "workflow" apps such as Lightroom or, for Mac users, Aperture, that surround a Raw processor with all kinds of useful things, but those are considerations to make over time as you happily produce good results with DPP and your editor of choice.
Hope that helps some!