Get on Amazon and buy the book on handloading by Glen Zediker, can't think of the title right off, but do a search on the name and you will come up with it. This book is much more detailed than the Sierra or other books from the bullet or powder manufacturers.
Rather than ask how to reload, read that book and also do a search on this site for reloading topics, read all that, then ask specific questions. I'm not trying to NOT answer your question, but the subject is way too broad to address in general, so do some reading then start asking specific questions.
As for dies, at this stage I would not worry much about brands or competition dies, just good old RCBS, Hornady, Redding, etc. will work just fine. Most rifle dies are two die sets, a full length sizing die and a seating die. Most 3 die sets are for pistol or straight walled cases such as 45-70 or .458 win mag.
Follow bullet, case and powder data EXACTLY as shown in the reloading manual you are using or data from a powder or bullet manufacturer. Do not substitute components. Just because a bullet is the same weight does not mean you can use the same powder charge. Different bullets have different bearing surfaces etc. and can generate very different pressures even though they may be the same weight. Start with the minimum load and NEVER exceed the max load. DO NOT start working up your own loads or using load data from other people until you have a lot of experience. Every rifle is different so getting the pet load from someone can be a dangerous overload in your rifle.
Be careful, be safe and have fun!!