First of all, it is good that you realize that such decisions cannot be left to heart/emotions alone, but are also using your logic.
Don’t know the right answer, if there is one, but here are some questions for you to think about:
Are you expecting him to change to be more like your vision of what you want to marry?
Would you be disappointed/frustrated if he doesn’t?
Does he feel the same way you do- sounds like he liked the girl you set him up with, is he even thinking in the same direction that you are? Having a friendship with a girl he grew up with may not mean anything to him.
Lots of girls date for years, and in the end marry someone they were not looking for, who didn’t have what they wanted but had everything they (didn’t realize that they) needed. Maybe this is such a case, but you have to honestly answer the above questions first. Others do marry the type they wanted, but then life circumstances change, and the plans/goals change accordingly, and they end up living very differently from what they had wanted. In your situation, you had least would not face such a surprise.
Hatzlacha!