As a transfer student you will be expected to know more about what you want from a college than you did when you were a HS student. In order to even begin to give helpful responses, more info is needed, starting with are you thinking of transferring to or from Dartmouth?!
What do you want from your new university that is similar to where you are now? that is different?
If you have just finished your first year of university, what was your HS record like? it will be considered in your transfer apps.
Are you planning to go back to your current uni and apply for transfer? withdraw and apply in the autumn for spring admission?
Do you know what you want to major in? what is your GPA in that subject?
What is your budget? Are the NPCs on ‘meet full need’ schools realistic for you?
re: transfer credits, most selective colleges will expect you to enroll for the equivalent of 2 full years before getting a degree from them.