じゃあ、送っていこうか。

then; well; so; well then; combination of 'de' and 'wa' particles; plain copula

to send (a thing); to dispatch; to despatch; to transmit; to take or escort (a person somewhere); to see off (a person); to bid farewell (to the departed); to bury; to spend (time); to live one's life; to pass (down the line); to affix okurigana

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way