What does he request to hear?
Malbim: He wants that his Ru'ach will return to its case and he will remain alive. This is metaphorically called hearing His Chesed in the morning. From the darkness of night, morning illuminates, with tidings that Hashem will revive him, since he trusted in Him.
When is "va'Boker"?
Rashi: It is the sprouting of Ge'ulah.
Radak, Malbim: The time of affliction is night; the time of salvation is morning.
What is the meaning of "Hodi'eni Derech Zu Elech"?
Radak: [Inform me] where to go and to flee from those who pursue me.
Malbim: Take me out of the cave, and inform me the path to go on. I will leave this darkness; I yearn that You lead me on paths of Tzedek.
What is "Nasasi Nafshi"?
Radak: This is hope - "v'Elav Hu Nosei Es Nafsho" (Devarim 24:15).
