Yes, he did.
When the Quraysh were dying of famine, the Prophet (ﷺ) prayed for rain to ease their misery.
Another example is the Prophet's (ﷺ) dua for either Abu Jahl (staunch enemy) or Umar Ibn Al Khattab (not a Muslim at the time) to embrace Islam, which was answered when Umar Ibn Al Khattab (RA) was guided and became Muslim.
A third example is the ...
Allah is saying that it’s gonna come don’t worry keep doing dua and in,sha,allah it will get accepted it should be good not bad duas if it’s good then just keep asking keep asking I asked for duas and it got accepted alhamdulal trust me patience is everything have patience
Some scholars allow raising hands during the prayer for example during a du'a like that of al-Qunoot, but there's no backup for doing so during (or after) tashhahud and before salam.
So considering this bid'ah seems correct. As it was not mentioned that the prophet () raised his hands for du'a in this position. And it is important that acts of worship ...