Wisdom tooth ripping through gum. Hurts pretty bad. Feeling a little sick. And swollen lymph node behind right ear. Should I go to my dentist asap?

Now you know. Now you know why infants cry when they teethe. There are many reasons why erupting wisdom teeth hurt, and tho specialist with the best training and experience to deal with your painful problem is an Oral Surgeon. Call to make appointment, and until you get there cold compresses and OTC pain meds EXACTLY as per package instructions.
OTC NSAIDs. First, take some OTC pain meds to help alleviate your pain. This will also help with the inflammation around the erupting tooth. Not sure if there is enough room for that tooth, if it's infected, or if you're just teething. You're dentist can let you know if it's better to have it extracted.