Opinions wanted...

I started a sweater last year from the Dale Heilo (100% wool) and only got about 5 inches done (ribbing up in the round) before the heat and humidity forced it to be set down. I was not very consistent in my knitting, apparently, and was having gauge worries before I put it down. (6 stitches to the inch gauge for the pattern, and I was getting 5.75 to 6.5, depending on where I measured). Having picked it up again, I'm now getting spot on gauge but the difference in the past two inches vs. the previous 5 was quite evident and annoying.
So, what was I to do? Rip, of course. The yarn I took out from the past two days knitting was not particularly kinked, but the yarn that's been sitting for six months was. I put it in warm water for 10 minutes and then hung it to dry and the kinks are mostly gone.
The question: Should I skein and do the rest of the yarn so it's all been equally rinsed hung and dried?